Instructions for calling from the UK to international locations requires special calling codes that allow you to connect to countries outside of the United Kingdom.
Calling out to New Caledonia
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call New Caledonia, dial 00687 and then enter the phone number of the person or location you’re trying to reach. If the phone number is displayed with a leading +687 omit the 687 and replace it with the UK international dialing code of 00. For example:
Phone Number in New Caledonia
Dialed from the United Kingdom
How to call the UK from New Caledonia
To call a landline or mobile phone in the United Kingdon from New Caledonia, dial 00 44, then dial the UK phone number, minus the leading zero. For example: